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JPL Small-Body Database Browser
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26819 (1987 QH7)
Classification: Main-belt Asteroid          SPK-ID: 2026819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .325729906967711 5.7256e-08  
a 2.583760875991543 1.4182e-08 au
q 1.742152686228006 1.5329e-07 au
i 4.393173112783745 5.982e-06 deg
node 4.598561029868659 5.092e-05 deg
peri 10.60601352448996 5.1372e-05 deg
M 212.5891422243901 7.0988e-06 deg
tp 2459221.660564629170
(2021-Jan-07.16056463)
3.3272e-05 TDB
period 1516.969690298487
4.15
1.249e-05
3.42e-08
d
yr
n .2373152227775655 1.9539e-09 deg/d
Q 3.425369065755079 1.8801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      11594 days (31.74 yr)  
   first obs. used      1987-08-23  
   last obs. used      2019-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50497  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:00:10  

Additional Information
 Earth MOID = .742685 au 
 Jupiter MOID = 2.04033 au 
 T_jup = 3.342 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO435950  

26819 (1987 QH7)          Discovered 1987-Aug-23 by Helin, E. F. at Palomar
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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